itkWeightedCentroidKdTreeGenerator.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkWeightedCentroidKdTreeGenerator_h
#define itkWeightedCentroidKdTreeGenerator_h

#include <vector>

#include "itkSubsample.h"
#include "itkKdTreeGenerator.h"

namespace itk
{
namespace Statistics
{
template< typename TSample >
class ITK_TEMPLATE_EXPORT WeightedCentroidKdTreeGenerator:
  public KdTreeGenerator< TSample >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(WeightedCentroidKdTreeGenerator);

  using Self = WeightedCentroidKdTreeGenerator;
  using Superclass = KdTreeGenerator< TSample >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkTypeMacro(WeightedCentroidKdTreeGenerator, KdTreeGenerator);

  itkNewMacro(Self);

  using MeasurementVectorType = typename Superclass::MeasurementVectorType;
  using MeasurementType = typename Superclass::MeasurementType;
  using SubsampleType = typename Superclass::SubsampleType;
  using SubsamplePointer = typename Superclass::SubsamplePointer;
  using KdTreeType = typename Superclass::KdTreeType;
  using KdTreeNodeType = typename Superclass::KdTreeNodeType;

protected:
  WeightedCentroidKdTreeGenerator() = default;

  ~WeightedCentroidKdTreeGenerator() override = default;

  void PrintSelf(std::ostream & os, Indent indent) const override;

  KdTreeNodeType * GenerateNonterminalNode(unsigned int beginIndex,
                                                   unsigned int endIndex,
                                                   MeasurementVectorType
                                                   & lowerBound,
                                                   MeasurementVectorType
                                                   & upperBound,
                                                   unsigned int level) override;

private:
  MeasurementVectorType m_TempLowerBound;
  MeasurementVectorType m_TempUpperBound;
  MeasurementVectorType m_TempMean;
};  // end of class
} // end of namespace Statistics
} // end of namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkWeightedCentroidKdTreeGenerator.hxx"
#endif

#endif